Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Control Components (Description and Operation)
Manual A/C
The climate control system heats or cools the vehicle interior depending on
the function selector
position and the temperature selected. Function selector position determines
heating or cooling and air
distribution. The temperature blend control s ...
Assembly
1. Install the locking lever cam and pin.
2. Install the lock actuator lever and pin.
3. Install the lock actuator lever return spring.
4. Install the ignition lock cylinder lockout lever.
5. NOTE: The lock lever with two teeth is installed on the left ...
Component Tests
Battery-Load Test
1. With the engine running, turn the A/C on, the blower motor on high
speed and the headlamps
on high beam.
2. Increase the engine speed to approximately 2,000 rpm. The voltage
should increase a minimum
of 0.5 volt above the ba ...
